James sees an end to his unemployment blues.
Hogan concocts a Kommandant of the Year award to distract Klink so a new Nazi rocket being stored protectively at Stalag 13 can be sabotaged.
General Burkhalter comes to Stalag 13 determined to marry off his sister to Klink. Hogan has to find a planted German agent in the Underground.
After finding a number of bottles containing messages, including a photograph, from a mysterious girl, Laura finds an abandoned baby. Laura takes the child in and cares for it like it was her own, not knowing it belongs to a timid young woman with an abusive father.
The murder of a bookstore proprietor uncovers a thriving racket of stolen first editions; guest Adam West.